CN110448781A - A kind of guidance control system into lucid dream state - Google Patents
A kind of guidance control system into lucid dream state Download PDFInfo
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- A61M2021/0005—Other devices or methods to cause a change in the state of consciousness; Devices for producing or ending sleep by mechanical, optical, or acoustical means, e.g. for hypnosis by the use of a particular sense, or stimulus
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Abstract
The present invention relates to a kind of guidance control systems into lucid dream state.Employee is set to fold into the system into lucid dream state without guidance in the prior art.Basic data acquisition device, processor and guide device of the present invention.Basic data acquisition device obtains basic data by portable wearable device；Processor receives the data from basic data acquisition device and obtains user's sleep state by calculating, and the user in the REM phase is guided to enter lucid dream state；Guide device receives the signal from processor and applies environmental stimuli to user, so that the user in the REM phase enters lucid dream state.By accurately detecting user's sleep state and accurately control guide device guides the user to enter lucid dream state, allows user to control dreamland according to subjective consciousness and deduce process, and then obtain immersion experience, promote sleep sensory experience and sleep quality.
Description
Technical field
The present invention relates to sleep fields, and in particular to a kind of guidance control system.
Background technique
Lucid dream has high research and application value for sleep field, and briefly, lucid dream is exactly to control dream, people
The process in dreamland can be deduced according to subjective consciousness, can be provided for people immersion experience, and then promoted sleep
Quality.
Problem into lucid dream state is the controllable state for how making people recognize dreamland in sleep.Work as people
Be in the REM phase when just there is the condition for being directed into lucid dream state, so, dreamland is carried out control need to solve two
A main problem, first is how to accurately identify whether user is in the REM phase, and second is that how will be in the user of REM phase
It guides to lucid dream state.
Currently, sleep analysis monitor is an important new technology in sleep medicine, sleep disturbance disease is referred to as diagnosed
" goldstandard ", can effectively detect sleep daydream phase state.But prison when due to using Polysomnography to be monitored
The parameter of survey is more, and the sensor of use is very more, and these sensor majorities be attached to user head and body it is each
Position, so user is easy to fall off in the presence of monitoring environment discomfort of being hospitalized, multi-lead stickup sensitivity, sensor during monitoring
The disadvantages of.Although the disadvantages of lead that Portable sleep monitor overcomes Polysomnography is few, easy to carry, due to
The factors such as its power reguirements height, price, various to the exact requirements and operating procedure of electrode point, lead to ordinary consumer
It can not be easy to use, and then influence to promote and apply on commercial market.
In addition, the selection for guide device also has biggish difficulty, drawn by generating suitable stimulation to user
It is led into lucid dream state, degree and mode to stimulation have high requirement, can neither be due to stimulation is excessive by user
It wakens, can not can not play guiding function because stimulation is too small.
Summary of the invention
In order to solve the deficiencies in the prior art, the present invention provides a kind of guidance control system into lucid dream state, leads to
Accurate detection user's sleep state and accurate control guide device are crossed to realize the purpose for leading into lucid dream state, is promoted
Sleep quality.
The present invention is accomplished by the following way: a kind of guidance control system into lucid dream state, comprising: basic data
Collector, processor and guide device.Basic data acquisition device obtains basic data by portable wearable device；Processing
Device receives the data from basic data acquisition device and obtains user's sleep state by calculating, and guides the use for being in the REM phase
Family enters lucid dream state；Guide device receives the signal from processor and applies environmental stimuli to user, so that being in
The user of REM phase enters lucid dream state.By accurately detecting user sleep state and accurately control guide device guides use
Family enters lucid dream state, allows user to control dreamland according to subjective consciousness and deduces process, and then obtains immersion experience,
Promote sleep sensory experience and sleep quality.
The system at runtime, is realized by following steps:
The first step obtains basic data, in collection process, the basic data acquisition device by basic data acquisition device
Basic data is obtained by interval acquisition mode, the basic data of single continuous acquisition forms frame data packet.Basic data is adopted
With the mode of interval acquisition, both ensured that frame data cladding covered entire sleep procedure, and also effectively reduced basic data acquisition device fortune
Row duration reduces electric energy loss, and reduces the operand of processor, improving operational speed.
Second step, processor are filtered frame data packet, and obtaining frequency with this is respectively 0.3~30Hz, 8
~12Hz, 0.5~3Hz, the sEEG wave waveform diagram of 18~30Hz and 4~7Hz, Alpha wave waveform diagram, Delta wave waveform diagram,
Beta wave waveform diagram and Theta wave waveform diagram.To contain the mixed recharge of multiple frequency waveforms in frame data packet, need to lead to
Wave filter is separated by frequency difference, and then carries out subsequent calculation processing convenient for processor.
Third step, respectively to Alpha wave waveform diagram, Delta wave waveform diagram, Beta wave waveform diagram and Theta wave waveform
The numerical value of collection point is counted in scheming, first successively after the processing that takes absolute value, data smoothing processing by obtaining data group
Alpha (m), Delta (m), Beta (m) and Theta (m), then by it is cumulative be averaged calculating obtain Mean-Alpha value,
Mean-Delta value, Mean-Beta value and Mean-Theta value, finally obtain main characteristic ginseng value group: TVA value, TVB value,
DVA value and DVB value.The collection point being arranged successively in frame data packet comprising each wave with time sequencing, these collection points are gone here and there
The waveform diagram to form each wave is connect, in processing, digitlization calculation processing is carried out to the numerical value of collection point, both effectively promotes processing effect
Rate also effectively converts digitalized data for analogue data, convenient for calculating, using and save.Main characteristic ginseng value group is used for
Judge the real-time sleep state of user, and then provides accurate foundation for guide device switch.
4th step counts the numerical value of collection point in each waveform diagram, obtains supplemental characteristic parameter value group: Num-ARI
Value, Num-EOG value.Supplemental characteristic parameter value group is provided for judging the real-time sleep state of user, and then for guide device switch
Accurate foundation.
5th step is detected by the main characteristic ginseng value group and supplemental characteristic parameter value group that obtain in third step and the 4th step
User's sleep state, and lucid dream state is entered by the user that guide means guide is in the REM phase.According to the sleep shape of user
State switchs to control guide device, it is ensured that user can enter lucid dream state under guide device effect.
Preferably, processor determines user's sleep state by decision tree and controls to the working condition of guide device
It makes, at least four node is set on the decision tree, specifically:
In node 1, threshold values Num-ARI-Threshold is set, it, should as Num-ARI >=Num-ARI-Threshold
Frame data coating is determined as artificial artefact, control letter of the processor in guide device transport process when a frame data packet
Number, otherwise, it is transferred to second node.Num-ARI-Threshold be determine frame data portion whether be artificial artefact critical value,
When Num-ARI-Threshold is smaller, frame data packet is easier to be identified as artificial artefact, conversely, then more difficult identification people
Work artefact.
In second node, threshold values TVA-Threshold1 and TVB-Threshold1 are set, as TVA < TVA-
Threshold1 and when TVB < TVB-Threshol1, is transferred to Section 3 point, otherwise, processor conveys to guide device and closes letter
Number.TVA-Threshold1 and TVB-Threshold1 is to determine whether user is in the critical value of lucid interval or REM phase, if symbol
Above-mentioned requirements are closed, illustrate that user is in lucid interval or REM phase, if user is not at lucid interval or REM phase, guide device is not necessarily to
It opens, had both promoted the working efficiency of guide device, also reduce energy loss by shortening guide device operation duration, also ensure that
Guide device will not be because there is a situation where influence user's sleep quality due to the operation of wrong period.
In Section 3 point, given threshold TVA-Threshold2 is transferred to T4 as TVA > TVA-Threshold2, no
Then, processor conveys shutdown signal to guide device.TVA-Threshold2 is to determine that user is in facing for lucid interval or REM phase
Dividing value illustrates that user is in the REM phase if meeting above-mentioned requirements, conversely, then illustrating that user is in lucid interval, guide device is not necessarily to
It opens.
In Section 4 point, given threshold Num-EOG-Threshold locates as Num-EOG > Num-EOG-Threshold
It manages device and conveys open signal to guide device, otherwise, processor conveys shutdown signal to guide device.Num-EOG-
Threshold is whether to be in the REM phase to user to carry out reaffirming verifying, it is ensured that user's dormant accuracy in real time.
Preferably, threshold values DVA-Threshold and DVB-Threshold are set, as DVA < DVA- in second node
Threshold and when DVB < DVB-Threshold, is transferred to Section 3 point, otherwise, processor conveys shutdown signal to guide device.
As the alternative of decision tree second node, the purposes for determining whether user is in lucid interval or REM phase can be also played.DVA-
Threshold and DVB-Threshold is to determine whether user is in the critical value of lucid interval or REM phase, if meeting above-mentioned want
It asks, illustrates that user is in lucid interval or REM phase, if user is not at lucid interval or REM phase, guide device is without opening.
Preferably, setting threshold values TVB-Threshold2 in Section 3 point, as TVB > TVB-Threshol2, turn
Enter T4, otherwise, processor conveys shutdown signal to guide device.As the alternative of decision tree Section 3 point, it can also play and sentence
Determine the purposes that user is in lucid interval or REM phase.TVB-Threshold2 is to determine that user is in the critical of lucid interval or REM phase
Value, if meeting above-mentioned requirements, illustrates that user is in the REM phase, conversely, then illustrating that user is in lucid interval, guide device is without opening
It opens.
Preferably, being divided into A, 30s≤A≤60s between the acquisition time of the adjacent frame data packet, frame data is formed
The single continuous acquisition time needed for packet is B, B≤A, and 5s≤B≤60s, and the data of the basic data acquisition device acquire frequency
Rate is C, 200samples/s≤C≤1000samples/s, and the basic data acquisition device is carried out when forming frame data packet
Data times of collection be n, n=C*B.Basic data acquisition device times of collection is corresponding with the data bulk of formation, and single is continuous
Resulting data form a frame data packet after the completion of acquisition, then obtain Alpha wave waveform diagram, Beta respectively by filter
Wave waveform diagram, Sigma wave waveform diagram, Delta wave waveform diagram, Theta wave waveform diagram and EMG wave waveform diagram.Work as frame data
When data bulk in packet is more, for draw formed waveform diagram data point it is also more so that waveform diagram draw it is more accurate, make
The waveform diagram that must be drawn more tends to the figure of true electric wave, provides more accurate data for processor.As C < 200samples/s
When, the waveform diagram of drafting can influence waveform diagram and draw precision because of data point negligible amounts；It is right as C > 1000samples/s
It is limited but higher to hardware requirement to draw precision improvement, while more High-frequency Interferences can be introduced, property is more relatively low.
Preferably, calculating main characteristic ginseng value group by following steps:
Firstly, successively respectively to Alpha wave waveform diagram, Delta wave waveform diagram, Theta wave waveform diagram and Beta wave wave
The corresponding numerical value in each collection point successively carries out take absolute value processing and data smoothing processing in shape figure, completes to handle and simultaneously obtains transition
Data group Alpha (m), Delta (m), Theta (m) and Beta (m), wherein The data length of transit data group be m, 1≤m≤n-0.5*C,
In, 0.5*C is the length of data smoothing processing, XmIt successively carries out taking absolutely for the corresponding numerical value in collection point in each frequency range waveform figure
Data group after value processing；
Later, by each transit data group carry out mean value computation obtain Mean-Alpha value, Mean-Delta value,
Mean-Beta value and Mean-Theta value, wherein
Finally, being obtained using the calculating of Mean-Alpha value, Mean-Delta value, Mean-Beta value and Mean-Theta value
Winner's characteristic ginseng value group: TVA value, TVB value, DVA value and DVB value, wherein TVA=Mean-Theta/Mean-Alpha,
TVB=Mean-Theta/Mean-Beta, DVA=Mean-Delta/Mean-Alpha, DVB=Mean-Delta/Mean-
Beta。
Preferably, to Alpha wave waveform diagram, Delta wave waveform diagram, Theta wave waveform diagram and Beta wave waveform diagram
Set corresponding maximum threshold values and minimum threshold values, and the acquisition so as to form data fluctuations range, to data fluctuations range is exceeded
Point number carries out cumulative statistics, and obtains Num-ARI value.Each waveform diagram is counted respectively and obtains Num-ARI after being summarized
Value.
Preferably, setting eye movement threshold values, obtains an electric impulse signal from sEEG wave waveform diagram, to eye electric impulse signal
Middle amplitude is counted beyond the number of eye movement threshold values, and obtains Num-EOG value with this, obtains eye movement pulse by following steps
Signal:
Firstly, the baseline values group for being n by each collection point numerical statistic forming quantity of sEEG wave waveform diagram；
Later, X window value group is successively extracted out of baseline values group, window value group includes L along baseline values
The baseline values of group sequence interception, wherein X=n-L+1, L < n and L are odd number；
After again, the L baseline values progress in each window value group arrive from childhood and is sorted greatly, and by (L+1)/2
Baseline values are set as the smooth value of the window value group；
After again, the smooth value obtained in each window value group is formed into smooth value group, includes X in smooth value group
Smooth value；
Finally, after the numerical value for corresponding to sequence in the smooth value group is individually subtracted in X numerical value in the middle part of baseline values group
X difference is formed, the difference forms the eye electric impulse signal.
Preferably, the basic data acquisition device is glasses, the glasses include mirror holder and temple, the basic data
Include data collecting assembly on collector, the data acquisition components include be arranged in bridge of the nose reference electrode in the middle part of mirror holder and
Split mirror holder both ends left front temporo electrode and it is right before temporo electrode, wearing in place after, the left front temporo electrode, it is right before temporo electrode and
Bridge of the nose reference electrode is contradicted respectively on station to be detected.Glasses have the characteristics that easy to wear low with processing cost.It is using
When, when glasses wearing in place after, the left front temporo electrode, it is right before temporo electrode and bridge of the nose reference electrode respectively it is synchronous contradict to
In detection station, it is ensured that basic data acquisition device can continue accurately to acquire data, and periodically send frame data to processor
Packet.
Preferably, the basic data acquisition device is eyeshade, it include data collection group on the basic data acquisition device
Part, the data acquisition components include the left volume electrode, right volume electrode and forehead reference electrode split, after dressing in place, institute
Left volume electrode, right volume electrode and forehead reference electrode is stated to contradict respectively on station to be detected.Eyeshade and head have preferable
Stickiness, the foreign body sensation dressed when sleep is effectively reduced.
Preferably, the guide device is the guiding lamp that can produce light, the flicker frequency of the light is 0.5Hz,
The light is the blue light that wavelength is 460nm~500nm, both effectively limits wavelength of light and color, by reducing stimulation come really
Warranty family is steadily in the REM phase, also effectively controls the flicker frequency of light, applies suitable stimulation to user, it is ensured that user
It can smoothly enter into lucid dream state.
Protrusion effect of the invention: by accurately detecting user's sleep state and accurately control guide device guides user
Into lucid dream state, allow user to control dreamland according to subjective consciousness and deduce process, and then obtain immersion experience, mentions
Rise sleep sensory experience and sleep quality.
Detailed description of the invention
Fig. 1 is the Glasses structure schematic diagram；
Fig. 2 is the decision tree structure schematic diagram；
Fig. 3 is the Eye path structure schematic diagram；
In figure: 1, glasses, 2, mirror holder, 3, temple, 4, left front temporo electrode, 5, it is right before temporo electrode, 6, bridge of the nose reference electrode, 7,
Eyeshade, 8, left volume electrode, 9, right volume electrode, 10, forehead reference electrode.
Specific embodiment
Property feature is further described for the essence of the present invention with specific embodiment with reference to the accompanying drawings of the specification.
Embodiment one:
The present embodiment provides a kind of guidance control systems into lucid dream state.
A kind of guidance control system into lucid dream state as shown in the figure, including basic data acquisition device, processor
And guide device.Basic data acquisition device acquisition basic data is simultaneously transmitted to processor, and processor judges user's sleep state
And lucid dream state is entered by the user that guide means guide is in the REM phase, user can control the development of layout dreamland, in turn
Immersion experience is obtained, sleep quality is promoted.
In actual operation, basic data acquisition device obtains basic data by portable wearable device.Basic data is adopted
Storage is the glasses 1 (as shown in Figure 1) with data collecting assembly, and the glasses 1 are including mirror holder 2 and set on 2 both ends of mirror holder
Temple 3, the data collecting assembly include splitting temporo electrode 5 and nose before the left front temporo electrode 4 at 2 both ends of mirror holder, the right side
Beam reference electrode 6, after glasses 1 are worn in place, temporo electrode 5 and bridge of the nose reference electrode 6 divide before the left front temporo electrode 4, the right side
It Di Chu not be on station to be detected.The glasses by the left front temporo electrode 4 that is closed with user's body Surface Mount, it is right before temporo electrode 5 and
Bridge of the nose reference electrode 6 acquires relevant rudimentary data, and conveys to processor.Specifically, temporo electricity before the left front temporo electrode 4, the right side
Pole 5 and bridge of the nose reference electrode 6 are bonded with temporo before nearly left front temporo, the nearly right side and the bridge of the nose respectively, and it is living to form a kind of simple measurement brain electricity
Dynamic single lead collector.Basic data acquisition device is to the sEEG wave, Alpha wave, Delta wave, Beta wave and Theta wave
It is acquired.The basic data acquisition device can also acquire other brain waves as needed, also should be regarded as of the invention specific
Embodiment.
In actual operation, processor receives the data from basic data acquisition device and obtains user's sleep by calculating
State, and the user in the REM phase is guided to enter lucid dream state.Processor passes through basic data acquisition device acquisition user first
Basic data, later by basic data analyze and determine user whether be in the REM phase, finally, by guide device to place
Operation is guided in the user of REM phase, so that user enters lucid dream state.After user enters lucid dream state, user
Can according to self-consciousness in dreamland content and process control so that dreamland content is along user's self establishment
Direction is deduced, and then obtains immersion experience, promotes sleep quality.
In actual operation, guide device receives the signal from processor and applies environmental stimuli to user, so that place
Enter lucid dream state in the user of REM phase.Guide device can be guiding lamp or pronunciation part.When guide device is guiding lamp
When, guiding lamp guides user to enter lucid dream state by generating particular light ray.Specifically, the flicker frequency of the light is
0.5Hz, the light are the blue lights that wavelength is 460nm~500nm.
In practical behaviour's group, the guiding lamp, which can integrate, to be arranged on basic data acquisition device, both effectively reduces equipment
Quantity also effectively promotes operation ease, promotes usage experience.
The guidance control system at runtime, is realized by following steps:
The first step obtains basic data, in collection process, the basic data acquisition device by basic data acquisition device
Basic data is obtained by interval acquisition mode, the basic data of single continuous acquisition forms frame data packet.
Specifically, A is divided between the acquisition time of the adjacent frame data packet, A=60s, parameter A are adjacent frame data
Packet starts time interval when acquisition, and the single continuous acquisition time needed for forming frame data packet is B, B=10s, by user
Entire sleep procedure be divided into mono- section of 60s of interval period, and the data for carrying out in each interval period 10s acquire behaviour
Make, and so as to form frame data packet.
Second step, processor are filtered frame data packet, and obtaining frequency with this is respectively 0.3~30Hz, 8
~12Hz, 0.5~3Hz, the sEEG wave waveform diagram of 18~30Hz and 4~7Hz, Alpha wave waveform diagram, Delta wave waveform diagram,
Beta wave waveform diagram and Theta wave waveform diagram.
Specifically, the data acquiring frequency of the basic data acquisition device is C, C=250samples/s, the basis number
It is n, n=C*B=250samples/s*10s=according to the data times of collection that collector is carried out when forming frame data packet
It 2500 times, when parameter n is non-integer, is rounded by the mode of rounding up.Basic data acquisition device collected single frames every time
Data packet is integrated data, is filtered decomposition to integrated data using filter and obtains the sEEG wave with differentiation frequency
Waveform diagram, Alpha wave waveform diagram, Delta wave waveform diagram, Beta wave waveform diagram and Theta wave waveform diagram.Each waveform diagram is equal
There are 2500 basic points to connect to be formed along time sequencing.It is preferable to use 8 rank Butterworth filters or Chebyshev filters pair
Frame data packet carry out denoising extract special frequency band in EEG signals, for the present invention for selection filter model and
Type is not specifically limited, as long as being able to satisfy filtering requirements.
Third step, respectively to Alpha wave waveform diagram, Delta wave waveform diagram, Beta wave waveform diagram and Theta wave waveform
The numerical value of collection point is counted in scheming, first successively after the processing that takes absolute value, data smoothing processing by obtaining data group
Alpha (m), Delta (m), Beta (m) and Theta (m), then by it is cumulative be averaged calculating obtain Mean-Alpha value,
Mean-Delta value, Mean-Beta value and Mean-Theta value, finally obtain main characteristic ginseng value group: TVA value, TVB value,
DVA value and DVB value.
Specifically, main characteristic ginseng value group is calculated by following steps:
Firstly, successively respectively to Alpha wave waveform diagram, Delta wave waveform diagram, Theta wave waveform diagram and Beta wave wave
The corresponding numerical value in each collection point successively carries out take absolute value processing and data smoothing processing in shape figure, completes to handle and simultaneously obtains transition
Data group Alpha (m), Delta (m), Theta (m) and Beta (m), wherein
The data length of transit data group is m, 1≤m≤n-0.5*C, wherein 0.5*C is the length of data smoothing processing,
XmThe data group after handling that takes absolute value successively is carried out for the corresponding numerical value in collection point in each frequency range waveform figure；Work as data smoothing
When the length 0.5*C of processing is non-integer, it is rounded by the mode of rounding up；
Later, by each transit data group carry out mean value computation obtain Mean-Alpha value, Mean-Delta value,
Mean-Beta value and Mean-Theta value, wherein
In above-mentioned formula, respectively added up and each acquisition point value in each waveform diagram divided by collection point quantity
After obtain mean value, for illustrating the power of each wave；
Finally, being obtained using the calculating of Mean-Alpha value, Mean-Delta value, Mean-Beta value and Mean-Theta value
Winner's characteristic ginseng value group: TVA value, TVB value, DVA value and DVB value, wherein
TVA=Mean-Theta/Mean-Alpha,
TVB=Mean-Theta/Mean-Beta,
DVA=Mean-Delta/Mean-Alpha,
DVB=Mean-Delta/Mean-Beta,
By ratio between two wave mean values in above-mentioned formula calculating one frame data packet of acquisition, different waves are thus embodied same
Strong and weak comparison in one period, and then to judge that user's sleep cycle state provides reference frame.
4th step counts the numerical value of collection point in each waveform diagram, obtains supplemental characteristic parameter value group: Num-ARI
Value, Num-EOG value.
Specifically, to the corresponding maximum threshold values of each waveform diagram setting and minimum threshold values, and so as to form data fluctuations range,
Cumulative statistics is carried out beyond the collection point number of data fluctuations range to each waveform diagram, it will be in 2500 basic points in each waveform diagram
Basic point number beyond data fluctuations range count and add up obtaining Num-ARI value.
Specifically, eye movement threshold values is set, an electric impulse signal is obtained from sEEG wave waveform diagram, in eye electric impulse signal
Amplitude is counted beyond the number of eye movement threshold values, and obtains Num-EOG value with this.In actual operation, pass through following steps
Obtain eye movement pulse signal:
Firstly, the baseline values group for being n by each collection point numerical statistic forming quantity of sEEG wave waveform diagram, for example, working as
When in frame data packet including 2500 collection points, then n=2500, and so as to form the baseline values comprising 2500 numerical value
Group.
Later, X window value group is successively extracted out of baseline values group, window value group includes L along baseline values
The baseline values of group sequence interception, wherein X=n-L+1, L < n and L are odd number.It is successively sorted to 2500 numerical value, it is false
Determine numerical value number L=125 that window value group includes, the quantity that can be calculated window value group is X=2500-125+1=
2376, then it is that the baseline values of 1 to the 125th are classified as the 1st group window numerical value group by number in baseline values group, by baseline values
Number is that the baseline values of 2 to the 126th are classified as the 2nd group window numerical value group in group, and so on, it will be numbered in baseline values group
The 2376th group window numerical value group is classified as the baseline values of 2376 to the 2500th.
After again, the L baseline values progress in each window value group arrive from childhood and is sorted greatly, and by (L+1)/2
Baseline values are set as the smooth value of the window value group.Assuming that L=125, then be set as the window for the 63rd baseline values
The smooth value of mouth numerical value group.Specifically, by 125 baseline values weights in a manner of from small to large in the 1st group window numerical value group
It newly arranges, and the 63rd basis instrument is set as to the smooth value of the 1st group window numerical value group, and so on, it obtains respectively
The smooth value of 2376 group window numerical value groups.
After again, the smooth value obtained in each window value group is formed into smooth value group, includes X in smooth value group
Smooth value.The statistics of 2376 smooth values of acquisition is entered into smooth value group.
Finally, after the numerical value for corresponding to sequence in the smooth value group is individually subtracted in X numerical value in the middle part of baseline values group
X difference is formed, the difference forms the eye electric impulse signal.X numerical value in the middle part of baseline values group, which refers to, is located at basis
The X numerical value in numerical value group middle section, it is assumed that baseline values group includes 2500 baseline values, and X=2376, the then mode intercepted are
62 baseline values from front to back and 62 baseline values from back to front in baseline values group are removed respectively, thus to obtain
Baseline values group comprising 2376 baseline values.2376 baseline values in baseline values group are successively individually subtracted smoothly
The numerical value of reference numeral in numerical value group obtains the eye electric impulse signal comprising 2376 differences with this.
5th step is detected by the main characteristic ginseng value group and supplemental characteristic parameter value group that obtain in third step and the 4th step
User's sleep state, and lucid dream state is entered by the user that guide means guide is in the REM phase.
Specifically, processor determines user's sleep state by decision tree and controls to the working condition of guide device
It makes, at least four node is set on the decision tree, specifically:
In node 1, threshold values Num-ARI-Threshold is set, it, should as Num-ARI >=Num-ARI-Threshold
Frame data coating is determined as artificial artefact, control letter of the processor in guide device transport process when a frame data packet
Number, otherwise, it is transferred to second node.Distinguish whether the frame data packet is artificial artefact by this node, is that subsequent operation is accurate
Property provide judgment basis.When the numerical value of parameter Num-ARI is greater than Num-ARI-Threshold, illustrate in the frame data packet
Each wave waveform diagram have exceeded preset range, belong to abnormal condition, so the frame data packet is determined as artificial artefact,
And maintain handle a upper frame data packet when operation.
In second node, threshold values TVA-Threshold1 and TVB-Threshold1 are set, as TVA < TVA-
Threshold1 and when TVB < TVB-Threshol1, is transferred to Section 3 point, otherwise, processor conveys to guide device and closes letter
Number.Distinguish whether user is in REM phase or lucid interval by this node.When user is in REM phase or lucid interval, brain wave
In Alpha wave and Bate wave it is stronger, so, according to the ratio between Alpha wave and Theta wave, between Bate wave and Theta wave
Judge whether user was in REM phase or lucid interval to judge the intensity of Alpha wave and Bate wave, and is Section 3 point
Judgement is prepared.If the data in the frame data packet do not meet above-mentioned requirements, illustrate that user is not on the REM phase or awake
Phase, then guide device can not play the function of leading into lucid dream state at this moment, therefore guide device is closed.
In Section 3 point, given threshold TVA-Threshold2 is transferred to T4 as TVA > TVA-Threshold2, no
Then, processor conveys shutdown signal to guide device.E.E.G state when lucid interval is in compared to user, when user is in
When the REM phase, Theta wave can also become by force, then the power of Theta wave is judged by parameter TVA, and then judge whether user is in
The REM phase prepares for the judgement of Section 4 point.When Theta wave is weaker, then illustrate that user is in lucid interval, then guide device is herein
Shi Wufa plays the function of leading into lucid dream state, therefore guide device is closed.
In Section 4 point, given threshold Num-EOG-Threshold locates as Num-EOG > Num-EOG-Threshold
It manages device and conveys open signal to guide device, otherwise, processor conveys shutdown signal to guide device.It will be in eye electric impulse signal
Super preset range section be set as eye movement phenomenon electric signal embody, pass through statistics eye electric impulse signal in over range number
Eye movement number is obtained, it is further to the judgement of node 3 to be confirmed, the accuracy for determining that user is in the REM phase is promoted with this, really
It protects guide device and is only in REM phase Shi Qiyong in user, prevent guide device from influence user occurring because starting opportunity mistake and sleep
The case where dormancy quality.
It is to be appreciated that parameter A can also be 30s, 35s, 40s, 50s, 60s etc., wanted as long as meeting 30s≤A≤60s
It asks.
It is to be appreciated that parameter B can also be 5s, 7s, 11s, 20s, 30s etc., as long as meeting B≤A and 5s≤B≤60s
Requirement.
It is to be appreciated that parameter C can also for 200samples/s, 300samples/s, 500samples/s,
1000samples/s etc., as long as meeting 200samples/s≤C≤1000samples/s requirement.
It is to be appreciated that parameter m can also be 1,10,500 etc., as long as meeting 1≤m≤n-0.5*C requirement.
It is to be appreciated that parameter X can also be 51,101,151,251 etc., it is regarded as specific embodiments of the present invention.
Embodiment two:
Compared to embodiment one, the present embodiment provides another kinds to guide control system.
By the judgment basis replacement in the 5th step at second node are as follows: in second node, set threshold values DVA-Threshold
And DVB-Threshold is transferred to Section 3 point as DVA < DVA-Threshold and DVB < DVB-Threshold, and otherwise, place
It manages device and conveys shutdown signal to guide device.Distinguish whether user is in REM phase or lucid interval by this node.At user
When REM phase or lucid interval, the Alpha wave and Bate wave in brain wave are stronger, so, according to Alpha wave and Delta wave
Between, ratio between Bate wave and Delta wave to judge the intensity of Alpha wave and Bate wave judge whether user is in
In REM phase or lucid interval, and prepare for the judgement of Section 3 point.
If the data in the frame data packet do not meet above-mentioned requirements, illustrate that user is not on REM phase or lucid interval,
Then guide device can not play the function of leading into lucid dream state at this moment, therefore guide device is closed.
It guides other feature and the effect of control system consistent with embodiment one described in the present embodiment, no longer repeats.
Embodiment three:
Compared to embodiment one, the present embodiment provides another kinds to guide control system.
By the judgment basis replacement in the 5th step at Section 3 point are as follows: in Section 3 point, set threshold values TVB-
Threshold2 is transferred to T4 as TVB > TVB-Threshol2, and otherwise, processor conveys shutdown signal to guide device.Phase
E.E.G state when lucid interval is in compared with user, when user is in the REM phase, Theta wave can also become by force, then pass through parameter
TVB judges the power of Theta wave, and then judges whether user is in the REM phase, prepares for the judgement of Section 4 point.Work as Theta
When wave is weaker, then illustrate that user is in lucid interval, then guide device can not play the function for leading into lucid dream state at this moment
Can, therefore guide device is closed.
It guides other feature and the effect of control system consistent with embodiment one described in the present embodiment, no longer repeats.
Example IV:
Compared to embodiment one, the present embodiment provides another kinds to guide control system.
The basic data acquisition device is eyeshade 7, includes data collecting assembly, the number on the basic data acquisition device
It include the left volume electrode 8, right volume electrode 9 and forehead reference electrode 10 split according to acquisition component, after dressing in place, the left volume
Electrode 8, right volume electrode 9 and forehead reference electrode 10 are contradicted respectively on station to be detected.
When in use, eyeshade is fixed on default station by bandage, so that cover is bonded with user's forehead.The eyeshade
7 acquire relevant rudimentary data by the left volume electrode 8, right volume electrode 9 and forehead reference electrode 10 that close with user's body Surface Mount, and
It is conveyed to processor.Specifically, the left volume electrode 8, right volume electrode 9 and forehead reference electrode 10 are fitted in default detection work
On position, a kind of single lead collector of simple measurement electrical activity of brain is formed.
It guides other feature and the effect of control system consistent with embodiment one described in the present embodiment, no longer repeats.
Claims (10)
1. a kind of guidance control system into lucid dream state characterized by comprising
Basic data acquisition device obtains basic data by portable wearable device；
Processor receives the data from basic data acquisition device and obtains user's sleep state by calculating, and guides and be in
The user of REM phase enters lucid dream state；
Guide device receives the signal from processor and applies environmental stimuli to user, so that the user in the REM phase enters
Lucid dream state；
The system at runtime, is realized by following steps:
The first step obtains basic data by basic data acquisition device, and in collection process, the basic data acquisition device passes through
It is spaced acquisition mode and obtains basic data, the basic data of single continuous acquisition forms frame data packet；
Second step, processor are filtered frame data packet, and with this obtain frequency be respectively 0.3~30Hz, 8~
12Hz, 0.5~3Hz, the sEEG wave waveform diagram of 18~30Hz and 4~7Hz, Alpha wave waveform diagram, Delta wave waveform diagram,
Beta wave waveform diagram and Theta wave waveform diagram；
Third step, respectively in Alpha wave waveform diagram, Delta wave waveform diagram, Beta wave waveform diagram and Theta wave waveform diagram
The numerical value of collection point is counted, first successively after the processing that takes absolute value, data smoothing processing by obtaining data group Alpha
(m), Delta (m), Beta (m) and Theta (m), then calculating acquisition Mean-Alpha value, Mean- are averaged by cumulative
Delta value, Mean-Beta value and Mean-Theta value finally obtain main characteristic ginseng value group: TVA value, TVB value, DVA value
And DVB value；
4th step counts the numerical value of collection point in each waveform diagram, acquisition supplemental characteristic parameter value group: Num-ARI value,
Num-EOG value；
5th step detects user by the main characteristic ginseng value group and supplemental characteristic parameter value group that obtain in third step and the 4th step
Sleep state, and lucid dream state is entered by the user that guide means guide is in the REM phase.
2. a kind of guidance control system into lucid dream state according to claim 1, which is characterized in that processor is logical
It crosses decision tree to determine user's sleep state and control the working condition of guide device, at least 4 is set on the decision tree
A node, specifically:
In node 1, threshold values Num-ARI-Threshold, as Num-ARI >=Num-ARI-Threshold, the single frames are set
Data packet is judged as artificial artefact, and control signal of the processor in guide device transport process when a frame data packet is no
Then, it is transferred to second node；
In second node, set threshold values TVA-Threshold1 and TVB-Threshold1, as TVA < TVA-Threshold1 and
When TVB < TVB-Threshol1, it is transferred to Section 3 point, otherwise, processor conveys shutdown signal to guide device；
In Section 3 point, given threshold TVA-Threshold2 is transferred to T4 as TVA > TVA-Threshold2, otherwise, place
It manages device and conveys shutdown signal to guide device；
In Section 4 point, given threshold Num-EOG-Threshold, as Num-EOG > Num-EOG-Threshold, processor
Open signal is conveyed to guide device, otherwise, processor conveys shutdown signal to guide device.
3. a kind of guidance control system into lucid dream state according to claim 2, which is characterized in that in Section 2
In point, threshold values DVA-Threshold and DVB-Threshold are set, as DVA < DVA-Threshold and DVB < DVB-
When Threshold, it is transferred to Section 3 point, otherwise, processor conveys shutdown signal to guide device.
4. a kind of guidance control system into lucid dream state according to claim 2, which is characterized in that in Section 3
In point, setting threshold values TVB-Threshold2 is transferred to T4 as TVB > TVB-Threshol2, and otherwise, processor is filled to guidance
Set conveying shutdown signal.
5. a kind of guidance control system into lucid dream state according to claim 1-4, which is characterized in that
A, 30s≤A≤60s are divided between the acquisition time of the adjacent frame data packet, single needed for forming frame data packet is continuous
Acquisition time is B, B≤A, and 5s≤B≤60s, and the data acquiring frequency of the basic data acquisition device is C, 200samples/
S≤C≤1000samples/s, the data times of collection that the basic data acquisition device is carried out when forming frame data packet are
N, n=C*B.
6. a kind of guidance control system into lucid dream state according to claim 5, which is characterized in that by following
Step calculates main characteristic ginseng value group:
Firstly, successively respectively to Alpha wave waveform diagram, Delta wave waveform diagram, Theta wave waveform diagram and Beta wave waveform diagram
The corresponding numerical value in interior each collection point successively carries out take absolute value processing and data smoothing processing, completes to handle and simultaneously obtains transit data
Group Alpha (m), Delta (m), Theta (m) and Beta (m), wherein The data length of transit data group be m, 1≤m≤n-0.5*C,
In, 0.5*C is the length of data smoothing processing, XmIt successively carries out taking absolutely for the corresponding numerical value in collection point in each frequency range waveform figure
Data group after value processing；
Later, Mean-Alpha value, Mean-Delta value, Mean- are obtained by carrying out mean value computation to each transit data group
Beta value and Mean-Theta value, wherein
Finally, being led using the calculating of Mean-Alpha value, Mean-Delta value, Mean-Beta value and Mean-Theta value
Characteristic ginseng value group: TVA value, TVB value, DVA value and DVB value, wherein TVA=Mean-Theta/Mean-Alpha, TVB=
Mean-Theta/Mean-Beta, DVA=Mean-Delta/Mean-Alpha, DVB=Mean-Delta/Mean-Beta.
7. a kind of guidance control system into lucid dream state according to claim 1-4, which is characterized in that
Maximum threshold values corresponding to the setting of Alpha wave waveform diagram, Delta wave waveform diagram, Theta wave waveform diagram and Beta wave waveform diagram
Cumulative statistics is carried out to the collection point number beyond data fluctuations range and so as to form data fluctuations range with minimum threshold values,
And obtain Num-ARI value.
8. a kind of guidance control system into lucid dream state according to claim 5, which is characterized in that setting eye movement
Threshold values obtains an electric impulse signal from sEEG wave waveform diagram, and the number of eye movement threshold values is exceeded to amplitude in eye electric impulse signal
It is counted, and Num-EOG value is obtained with this, obtain eye movement pulse signal by following steps:
Firstly, the baseline values group for being n by each collection point numerical statistic forming quantity of sEEG wave waveform diagram；
Later, X window value group is successively extracted out of baseline values group, window value group includes L suitable along baseline values group
The baseline values of sequence interception, wherein X=n-L+1, L < n and L are odd number；
After again, the L baseline values progress in each window value group arrive from childhood and is sorted greatly, and by the basis of (L+1)/2
Numerical value is set as the smooth value of the window value group；
After again, the smooth value obtained in each window value group is formed into smooth value group, includes X smooth in smooth value group
Numerical value；
Finally, X numerical value in the middle part of baseline values group forms X after the numerical value for corresponding to sequence in the smooth value group is individually subtracted
A difference, the difference form the eye electric impulse signal.
9. a kind of guidance control system into lucid dream state according to claim 1-4, which is characterized in that
The basic data acquisition device is glasses (1), and the glasses (1) include mirror holder (2) and temple (3), the basic data acquisition
Include data collecting assembly on device, the data acquisition components include be arranged bridge of the nose reference electrode (6) in the middle part of mirror holder (2) with
And left front temporo electrode (4) the He Youqian temporo electrode (5) at mirror holder both ends is split, and after dressing in place, the left front temporo electrode (4), the right side
Preceding temporo electrode (5) and bridge of the nose reference electrode (6) are contradicted respectively on station to be detected；Alternatively, the basic data acquisition device
It include data collecting assembly on the basic data acquisition device, the data acquisition components include the left volume split for eyeshade (7)
Electrode (8), right volume electrode (9) and forehead reference electrode (10), after dressing in place, the left volume electrode (8), right volume electrode
(9) and forehead reference electrode (10) is contradicted respectively on station to be detected.
10. a kind of guidance control system into lucid dream state according to claim 1-4, feature exist
In the guide device is the guiding lamp that can produce light, and the flicker frequency of the light is 0.5Hz, and the light is wavelength
For the blue light of 460nm~500nm.
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